refactor: restructure

monorepo with apps/ and services/
  directories

chat/apps/mobile/cesconfig.json

@@ -1,40 +0,0 @@
-{
-  "cesVersion": "2.14.1",
-  "projectName": "chat",
-  "packages": [
-    {
-      "name": "expo-router",
-      "type": "navigation",
-      "options": {
-        "type": "drawer + tabs"
-      }
-    },
-    {
-      "name": "nativewind",
-      "type": "styling"
-    },
-    {
-      "name": "supabase",
-      "type": "authentication"
-    }
-  ],
-  "flags": {
-    "noGit": false,
-    "noInstall": false,
-    "overwrite": false,
-    "importAlias": true,
-    "packageManager": "npm",
-    "eas": true,
-    "publish": false
-  },
-  "packageManager": {
-    "type": "npm",
-    "version": "10.7.0"
-  },
-  "os": {
-    "type": "Darwin",
-    "platform": "darwin",
-    "arch": "arm64",
-    "kernelVersion": "24.1.0"
-  }
-}